Development — entry 060 of 100
Nationalize.io
Nationalize.io, the third API from Demografix ApS alongside Agify and Genderize, returns a ranked list of likely countries of origin (with probability scores) for a given first name, drawn from worldwide naming statistics, and supports batching up to 10 names per call. It requires no key for its free tier of 2,500 names a month, with paid plans scaling to 25 million requests a month.
AuthenticationNone requiredCall it straight away — no key, no signup.
HTTPSSupportedTraffic is encrypted in transit.
CORSEnabledCallable directly from browser JavaScript.
PricingFreemiumA usable free tier exists, with paid plans for more volume.
FormatsJSONResponses can be requested as JSON.
GreatAPIs Score
Score85
Authentication25/25No authentication required
Pricing17/20Freemium tier available
Docs14/20Documentation URL provided
Formats9/15Single response format
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/nationalize-io/"><img src="https://greatapis.com/badge/nationalize-io.svg" alt="Scored 85 on greatapis.com"></a>Auth quickstart
- No key needed — call it now.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.